I've got a 2014 5.3L Silverado and yes it has the AFM I want it gone but for now I have to deal with it. I had a flowmaster 40 series installed and resonator cut off, and it is very quiet. I see no flapper valve so I am assuming that he cut it off to (which I was unaware of a flapper valve at the time). My question is, why is it so quiet? Does the AFM make that big of a difference In sound even when in v8? Is the flapper valve still there? Did the guy do something to make the truck quieter (we had a small disagreement while he was installing the system, and after he was done he said "if you ever want it louder we can cut off the 3rd cat"). Any help is greatly appreciated and I am going to try and put pics in the comments cuz it will not let me in the the post.
What: Black Bear Performance Tunes (98-2016 GM vehicles only)
Where: Charlotte, NC
When: 2-4 December 2017
How Much: $80 deposit for time slot, $260 at time of tune (total $340)
($40 discount on tune with purchase of AutoCal at the same time)
Please go to Calendar of Events http://www.blackbearperformance.com/calendar.asp to submit your deposit.
If folks want spare modules the prices are as follows:
$100 - 99-07 Classic Gen-III
$140 ECM / $50 TCM - Gen-IV Trucks and SUVs
**We will need to ship out the modules before the meet for people to install them and perform the security relearn prior to being tuned.
**2017 models cannot be tuned at an off-site event.
**Any tune updates need to be scheduled directly with us prior to the meet by email, [email protected] Please email your update request (please include vehicle details – year, make, model, engine – along with what you would like updated). We will try our best to accommodate your request, but you will not be given a time slot, rather we will fit you into the schedule as time permits.
**Please Note: The email address that is used to pay your deposit is the email address that we will send all correspondence to. If you would like us to use a different email address, please email me at [email protected] to notify me of the email address change.
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